Replace your existing barrel assembly with this full metal 2-piece barrel set from Raptors Airsoft. Raptors Airsoft gives users the option to use both the main barrel and extended barrel in tandem, or just the main barrel assembly as is. The main barrel section has 2 front sight grooves as to not obstruct the rifles line of sight. The universal design of this barrel upgrade allows it to be installed in most M4 series airsoft rifles, and can be easily installed thanks to the 14mm CCW threads. Upgrade your favorite AEG with this 2-piece barrel assembly from Raptors Airsoft and give yourself the option to have an extended barrel or not.